buildman: Correct pylint errors

Fix pylint errors that can be fixed and mask those that seem to be
incorrect.

Signed-off-by: Simon Glass <sjg@chromium.org>

tools/buildman/builder.py

@@ -1763,7 +1763,7 @@ class Builder:
             if self.num_threads:
                 self.queue.put(job)
             else:
-                results = self._single_builder.RunJob(job)
+                self._single_builder.RunJob(job)
 
         if self.num_threads:
             term = threading.Thread(target=self.queue.join)

tools/buildman/cfgutil.py

@@ -123,10 +123,10 @@ def adjust_cfg_file(fname, adjust_cfg):
                  C=val to set the value of C (val must have quotes if C is
                      a string Kconfig)
     """
-    lines = tools.ReadFile(fname, binary=False).splitlines()
+    lines = tools.read_file(fname, binary=False).splitlines()
     out_lines = adjust_cfg_lines(lines, adjust_cfg)
     out = '\n'.join(out_lines) + '\n'
-    tools.WriteFile(fname, out, binary=False)
+    tools.write_file(fname, out, binary=False)
 
 def convert_list_to_dict(adjust_cfg_list):
     """Convert a list of config changes into the dict used by adjust_cfg_file()
@@ -219,7 +219,7 @@ def check_cfg_file(fname, adjust_cfg):
     Returns:
         str: None if OK, else an error string listing the problems
     """
-    lines = tools.ReadFile(fname, binary=False).splitlines()
+    lines = tools.read_file(fname, binary=False).splitlines()
     bad_cfgs = check_cfg_lines(lines, adjust_cfg)
     if bad_cfgs:
         out = [f'{cfg:20}  {line}' for cfg, line in bad_cfgs]

tools/buildman/func_test.py

@@ -524,12 +524,6 @@ class TestFunctional(unittest.TestCase):
         # Each commit has a config and make
         self.assertEqual(self._make_calls, len(boards) * self._commits * 2)
 
-    def testForceReconfigure(self):
-        """The -f flag should force a rebuild"""
-        self._RunControl('-b', TEST_BRANCH, '-C', '-o', self._output_dir)
-        # Each commit has a config and make
-        self.assertEqual(self._make_calls, len(boards) * self._commits * 2)
-
     def testMrproper(self):
         """The -f flag should force a rebuild"""
         self._RunControl('-b', TEST_BRANCH, '-m', '-o', self._output_dir)

tools/buildman/kconfiglib.py

@@ -556,6 +556,7 @@ from os.path import dirname, exists, expandvars, islink, join, realpath
 
 VERSION = (14, 1, 0)
 
+# pylint: disable=E1101
 
 # File layout:
 #

tools/buildman/main.py

@@ -30,8 +30,8 @@ from patman import terminal
 from patman import test_util
 
 def RunTests(skip_net_tests, verboose, args):
-    import func_test
-    import test
+    from buildman import func_test
+    from buildman import test
     import doctest
 
     result = unittest.TestResult()